A Recent Time Magazine Reported the Following Information About a Sample

question 186

Short Answer

A recent Time magazine reported the following information about a sample of workers in Germany and the United States.
$\begin{array}{lcc}&\text { United States }&\text { Germany }\\\text { Average length of workweek hours) } & 42 & 38 \\\text { Sample Standard Deviation } & 5 & 6 \\\text { Sample Size } & 600 & 700\end{array}$ We want to determine whether or not there is a significant difference between the average workweek in the United States and the average workweek in Germany.
a. State the null and the alternative hypotheses.
b. Compute the test statistic.
c. Compute the p-value. What is your conclusion?

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